Increment version to 1.23-BETA7 and update release notes.

Translations/Language.ru.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <VeraCrypt>
-  <localization prog-version= "1.23-BETA6">
+  <localization prog-version= "1.23-BETA7">
     <language langid="ru" name="Русский" en-name="Russian" version="1.0.3" translators="Dmitry Yerokhin" />
     <font lang="ru" class="normal" size="11" face="default" />
     <font lang="ru" class="bold" size="13" face="Arial" />